The following software versions apply to Release 12.0(1):
Cisco Unified Communications Manager 220.127.116.1100-10
IM and Presence Service 18.104.22.16800-12
This release offers two main deployment options for this release of Cisco Unified Communications Manager and the IM and Presence Service:
Standard Deployments—Both Cisco Unified Communications Manager and the IM and Presence Service must be running the above 12.0(1) version for your deployment to be supported. A version mismatch is not supported.
Centralized Deployments of IM and Presence Service—If you have the Centralized Deployment option configured on the IM and Presence Service, then within the IM and Presence central cluster, both the Cisco Unified Communications Manager instance and the IM and Presence Service must be running a 12.0(1) version. However, the telephony cluster that the central cluster connects to does not have to be running a 12.0(1) version.